typo-related *minor* bug in file tests/defs.in, in exit trap code

[Stefano Lattarini]

Hi all.

First of all, I must admit that the bug described here is so little
and unimportant that this mail could be described as nitpicking
rather than as bug reporting -- but here it goes anyway.

I have the latest automake sources checked out from git.

I found the following glitch in the exit trap code setup in file
`tests/defs.in',  (around lines 267-270): the variable `$as_me'
is used in error messages as the name of the test, while the
variable `$me'  should be used instead (the variable $as_me
is never defined).

This "bug" can be triggered e.g. by doing from within the tests 
directory:
  $ ./aclibobj.test
and hitting CTRL-C (almost) immediately.
The displayed error message is something like this:
  + cd /home/stefano/src/automake/tests
  + case $exit_status,$keep_testdirs in
  + test 2 '!=' 0
  + echo ': caught signal 2'
  : caught signal 2
  + echo ': exit 1'
  : exit 1
  + exit 1
while it should have been something like this:
  + cd /home/stefano/src/automake/tests
  + case $exit_status,$keep_testdirs in
  + test 2 '!=' 0
  + echo 'aclibobj: caught signal 2'
  aclibobj: caught signal 2
  + echo 'aclibobj: exit 1'
  aclibobj: exit 1
  + exit 1

Attached is a tiny patch that should fix this glitch.
After applying it, I also rerun the testsuite, just to be sure.  No 
error showed up.

Regards,
   Stefano

0001-testsuite-fix-a-minor-glitch.patch
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